ABB 3AUA0000004238 Motors & Drives - 4+B055
Part Number: 3AUA0000004238
Quick Summary
ABB ACH550 drive provides precise speed control for HVAC, pumping, and conveyor applications. Users often struggle with tuning complexity, energy waste, and motor protection under varying loads. CE compliance and IP ratings are critical benchmarks for safe, reliable operation in industrial environments, and this solution aligns with those expectations while offering SIL-ready options where required. With easy configuration, robust diagnostics, and seamless integration with ABB motors and automation systems, this drive delivers energy efficiency, reduced maintenance, and improved process reliability for your plant. This combination of a compact footprint and proven performance translates into tangible business value for OEMs and end-user facilities alike.
Product Information
Feature → Business Impact → Application. Advanced motor control algorithms in the ACH550 family optimize torque delivery and minimize losses, enabling energy efficiency improvements of motor systems in HVAC and pumping applications while reducing thermal stress on motors. Application: HVAC fans, boiler feed pumps, and circulation pumps benefit from smoother starts and reduced wear. Feature → Business Impact → Application. Integrated diagnostics and fault reporting shorten maintenance windows and lower unplanned downtime by providing actionable alerts and trending data. Application: production lines and process automation where uptime is critical. Feature → Business Impact → Application. Compact DIN-rail friendly design with straightforward wiring improves panel density and simplifies retrofits, accelerating installation timelines and reducing labor costs. Application: plant upgrades and refurbished control panels. Feature → Business Impact → Application. Comprehensive protection features including overcurrent, short-circuit, and thermal monitoring enhance safety and compliance, lowering the risk of motor damage in harsh environments. Application: demanding industrial facilities and critical equipment rooms. Feature → Business Impact → Application. Open connectivity and compatibility with ABB ecosystem enables seamless system integration and centralized asset management, supporting ongoing maintenance, spare-part availability, and long-term cost of ownership reductions. Application: integrated automation architectures and service strategies.
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FAQs
Ensure the drive is sized for your supply voltage and motor current, mount it on a standard DIN rail, and connect input power, motor output, and control wiring per the installer manual. Use the B055 braking option correctly if braking energy is required, and verify protective covers and enclosure ratings before power-up.
Specifications vary by frame size within the ACH550 family. For this model, verify voltage range, current rating, braking configuration (B055), and wiring scheme in the datasheet. Always confirm compatibility with your motor, supply, and control network before commissioning.
Yes. The ACH550 family is designed for precise speed control and energy-efficient operation in HVAC and pump systems, offering smooth starts, ramping, and motor protection to handle variable loads typical of these applications.
Look for CE marking and appropriate IP protection levels for your environment. Confirm SIL-related safety options are available if your safety strategy requires functional safety compatibility, and ensure the drive is installed as part of a compliant system per local regulations.
Expect energy savings from optimized motor control, reduced wear due to smoother operation, and lower downtime thanks to built-in diagnostics and fault reporting. Centralized asset monitoring and compatibility with ABB systems also streamline maintenance planning and spare-parts management.